Valve assembly



Z M ROEHR VALVE ASSEMBLY y Filed Aug. l5, 1946 Patented May 1, 1951VALVE ASSEMBLY Zbislaw M. Roehr, New York, N. Y., assignor to RobertsPressure Valve Co., Inc., New York, N. Y., a corporation of New YorkApplication August 13, 1946, Serial No. 690,211

1 Claim. l

This invention relates to valve assemblies and more particularly to avalve assembly controlling the outlet of a container in which liquid orgas is conned under pressure.

It is among the objects of my invention to provide a pressure valveassembly that is neat, compact and efficient in operation and does notreadily become out of order, that is simple and inexpensive toconstruct, that contains few parts and that lends itself easily toquantity production.

According to the invention, these objects are accomplished by thearrangement and combination of elements hereinafter described andparticularly recited in the claim.

In the accompanying drawings in which are shown one or more of variouspossible embodiments of the several features of the invention,

Fig. 1 is a longitudinal sectional view of the container with the devicein place, and

Fig. 2 is a sectional view on a larger scale taken along line 2-2 ofFig. 1.

Referring now to the drawings, the valve assembly comprises a casing IIpreferably cylindrical in shape having a reduced root end I2 forming ajunction shoulder I4 on which is seated a spring l5. A valve closuremember I6 completely enclosed in said casing with a diameter slightlysmaller than the inner diameter of said casing has a cup portion Il atthe upper end thereof and rests on spring I5 as at I8, thereby beingurged to seat against a compressible gasket preferably of rubber orother flexible material having an eyelet 2l therein coaxial with saidgasket.

The eyelet 2l has a flange 22 resting on the upper surface of saidgasket, which latter is clamped to the top I3 of said casing by theinturned rim or flange of valve cap 23 which is affixed to the casing byforce fit. The gasket 20 is thereby compressed between flange 25 of thevalve cap 23 and the top I3 of the casing and confined between the innerwall of the valve cap and the eyelet. The outer wall 24 of valve cap 23is threaded and a flange 26 at the lower end of said cap serves formounting purposes.

As the wall 2l of the eyelet is slightly longer than the thickness ofthe gasket 20 as at 28, the gasket is not distorted inwardly by beingcompressed and the mouth I9 of the valve assembly is not blocked.

Inasmuch as the gasket is of compressible material, the rim 29 of thecup portion I l of the valve closure member I6 will be forced slightlyinto the gasket by the tension of spring I5, thereby tightly sealing themouth of the valve assembly, the gasket thereby serving both'as a valveseat for valve closure member I6 and a washer between the valve cap andthe casing.

The particular embodiment of the valve assembly herein chosen for theillustration of my invention is shown as incorporated in a cylinder 3|capable of containing fluid under pressure to be dispensed in the formof a spray.

The valve assembly has a narrow pipe 3l, telescoped into and affixed toits lower part I2, which extends to nearly the bottom of cylinder 3| andis fitted to an opening at the top thereof so that the flange portion 26of said valve assembly rests on the outside of said top to which it issoldered or otherwise securely affixed.

In order to operate the valve assembly so that the contents of thecylinder may be ejected, a valve assembly actuating device 32 to depressthe valve closure member I 6 is screwed upon the threaded portion of thevalve cap. This device 32 comprises a casing 33 in which is confined apin 34 having a push button or head 34 at one end thereof which extendsbeyond the casing as at 36.

A washer 33 surrounds the pin and rests on the inturned flange 3l of thecasing 33. spring 35 situated between the washer 36 and the head 34 ofthe pin urges the pin outward from the valve assembly closure member I6.The casing 33 has an opening 3'! through which the contents of thecylinder may be ejected. Depressing of head 34' of pin 34 will cause itslower end or tip 38 to press against the cup portion Il of the valveclosure member, thereby moving said closure member away from its seatand affording a free passage for ejection under the pressure maintainedin the cylinder through pipe 3|, around the sides of the valve closuremember I6 through the mouth I9 Vof the valve assembly and out of opening31 in the casing 33 of the valve assembly actuating device.

When the pressure on head 34 is released, spring 35 will force the tip38 of the pin away from the valve cup I1 and the tension of spring I5will again seat the valve closure member I6 and seal the cylinder.

The small size of the valve assembly herein and the simplicity of itsconstruction makes it relatively inexpensive to manufacture and it canbe affixed to a container asV an integral part thereof and Vdiscardedwith the empty container.

As many changes could be made in the above construction and manyapparently widely different embodiments of this invention could be madewithout departing from the scope of the claim, it is intended that allmatter contained in the above description or shown in the accompanyingdrawings shall ybe interpreted as illustrative and not in a limitingsense.

Having thus described my invention what I claim as new and desire tosecure by Letters Patent of the UnitedStates is:

A pressure'v'alve assembly comprising a cylindrcal casing having areduced root end, a shoulder formed by said reduced root end, a valveclosure member completely enclosed in saidrcasing having a cup portionat one end thereof forming a rim at the periphery thereof, a threadedvalve cap having an inwardly turned rim at the upper end thereof and amounting ange at the lower end thereof., Va compressible gasketencompassing said valve cap near its lower end and seated on saidmounting flange, a valve assembly actuating device to unseat said valveclosure member, said device being axed to' said valve cap and-seatedori-said compressible gasket, a oompressible ,gasket having an eyelettherein coaxial therewith, said eyelet having a flange gasket.

ZBISLAW` M. IROEHR.

REFERENCES CITED 'Ehe following references are of record in the le ofthis patent:

UNITED STATES PATENTS Number Name Date '710,674 Fassmann Oct. '7, 1902987,633 Long 1 Mar. 21, 1911 1,162,834 Watrous Dec. 7, 1915 1,503,633Long Aug. 5, 1925 1,568,159 Heywood Jan. 5, 1926 .2,222,926 Young Nov.26, 1940 2,372,392 `Pletman Mar. 27, 1945

